154 NEW YORK STATE MUSEUM 



base, narrowing at the basal third, deeply and triangularly emar- 

 ginate. Harpes stout, subtriangular, apically several inconspicuous 

 subquadrate teeth. 



Female. Length I mm. Antennae probably a little shorter than 

 the body, sparsely haired, dark brown; probably 16 segments, the 

 fifth with a stem about one-quarter the length of the basal enlarge- 

 ment. Palpi; the first segment short, irregularly subquadrate, the 

 second a little longer, subquadrate, the third more than twice the 

 length of the second, the fourth one-quarter longer than the third, 

 more slender ; face dark brown. Mesonotum dark brown, posterior 

 median area reddish. Scutellum yellowish red, postscutellum 

 darker. Abdomen yellowish red. Wings hyaline, costa yellowish 

 brown ; halteres and legs yellowish transparent, the latter with the 

 articulations and tarsi variably tinged with carmine. Ovipositor 

 longer than the body, terminal lobe long, narrow, broadly rounded 

 distally. Type Cecid. in. 



Dasyneura quercina Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 116. Separate, p. 20 

 1908 N. Y. State Mus. Bui. 124, p. 345 



This dark brown male was taken on oak, probably red oak, 

 Quercus rubra, at Albany, N. Y., May 18, 1906. 



Male. Length 1.5 mm. Antennae nearly as long as the body, 

 sparsely haired, dark brown ; 16 segments, the fifth with a stem 

 about two-thirds the length of the basal enlargement ; terminal seg- 

 ment produced, constricted near the middle. Palpi; the first seg- 

 ment subquadrate, the second one-half longer than the first, the third 

 more slender, one-half longer than the second and the fourth one- 

 half longer than the third. Mesonotum dark brown, the submedian 

 lines sparsely haired. Scutellum reddish brown, postscutellum 

 darker. Abdomen dark brown, sparsely haired, reddish laterally. 

 Wings hyaline, costa yellowish brown. Halteres yellowish trans- 

 parent basally, reddish fuscous apically. Legs light brown, tarsi 

 slightly darker ; claws slender, strongly curved. Genitalia ; basal 

 clasp segment slender ; terminal clasp segment slightly enlarged 

 basally ; dorsal plate broad ; ventral plate narrow ; both deeply and 

 triangularly incised (pi. 7, fig. 1). Harpes broad, convolute, broadly 

 rounded, indistinctly dentate. Type Cecid. 47. 



Dasyneura lepidii Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 346 



This reddish brown species was reared in early July from seed 

 capsules of Lepidium virgin i c u m taken at Washington, 

 D. C, July 7, 1899 by Mr Pergande. Several Chalcids were 

 reared the middle of July. 



Gall. The gall of this species, as described by Pergande, con- 

 sists of peculiarly swollen or inflated seed capsules having an 

 abnormally dark green color. 



